Added Rectangle

Shapes/Point.cs

@@ -0,0 +1,66 @@
+using System.Drawing;
+
+namespace Shapes
+{
+    public class Point
+    {
+        public double X { get; internal set; }
+        public double Y { get; internal set; }
+        public Color Color { get; set; }
+
+        public Point(double x, double y)
+        {
+            Validator.ValidateDouble(x, "Invalid x-location point");
+            Validator.ValidateDouble(y, "Invalid y-location point");
+            X = x;
+            Y = y; 
+            Color = Color.Black;
+        }
+
+        /**
+        * Move the point in the x direction
+        *
+        * @param deltaX            The delta amount to move the point -- must be a valid double
+        * @throws ShapeException   Exception thrown if the parameter is invalid
+        */
+        public void MoveX(double deltaX)         {
+            Validator.ValidateDouble(deltaX, "Invalid delta-x value");
+            X += deltaX;
+        }
+
+        /**
+         * Move the point in the y direction
+         *
+         * @param deltaY            The delta amount to move the point -- must be a valid double
+         * @throws ShapeException   Exception thrown if the parameter is invalid
+         */
+        public void MoveY(double deltaY)
+        {
+            Validator.ValidateDouble(deltaY, "Invalid delta-y value");
+            Y += deltaY;
+        }
+
+        /**
+         * Move the point
+         *
+         * @param deltaX            The delta amount to move the point in the x direction -- must be a valid double
+         * @param deltaY            The delta amount to move the point in the y direction -- must be a valid double
+         * @throws ShapeException   Exception throw if any parameter is invalid
+         */ 
+        public void Move(double deltaX, double deltaY)
+        {
+            MoveX(deltaX);
+            MoveY(deltaY);
+        }
+
+        /**
+         * Copy the point
+         * @return                  A new point with same x and y locations
+         * @throws ShapeException   Should never thrown because the current x and y are valid
+         */
+        public Point Copy()
+        {
+            return new Point(X, Y);
+        }
+    }
+}